/Engine/Plugins/Runtime/GameplayAbilities/Source/GameplayAbilities/Public/Abilities/GameplayAbility.h
Checks cooldown. returns true if we can be used again. False if not
virtual bool CheckCooldown ( const [FGameplayAbilitySpecHandle](API\Plugins\GameplayAbilities\FGameplayAbilitySpecHandle) Handle, const [FGameplayAbilityActorInfo](API\Plugins\GameplayAbilities\Abilities\FGameplayAbilityActorInfo) * ActorInfo, [FGameplayTagContainer](API\Runtime\GameplayTags\FGameplayTagContainer) * OptionalRelevantTags ) const